cut the grass from under sb.'s feet

例句：

1. 1.He cut the grass from under her feet and made a path for her to walk on.
   他从她脚下割草，为她铺了一条小路。
2. 2. The lawn was so overgrown that it was hard to see where the grass ended and the weeds began.
   草坪长得太茂盛了，以至于很难看出草和野草的分界。
3. 3. After cutting the grass, she noticed that the blades were starting to curl up in the sun.
   割完草后，她注意到草叶开始在阳光照射下卷曲。